
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;


}

#dao{
    list-style: none;


}
#dao>li{
    width: 200px;
    height: 100px;
    border: 1px solid gainsboro;
    line-height: 100px;
    text-align: center;
    display: inline-block;
}

li.on{
    background: red;
    color: white;

}

.pu{
    width: 100%;
    height: 200px;
    margin-top: 50px;
    background: beige;
    color: #333333;
    text-align: center;
    line-height: 200px;
    display: none;

}


table{
    font-size: 20px;
    /*border: 1px solid black;*/
    width: 1050px;
    text-align: center;


}

.biao2{
    margin-top: 20px;
}



.er{
    width: 200px;
    text-align: center;

}


.er span{
    border-bottom: 1px solid #0f162d;
    width: 200px;
    height: 80px;
    padding: 20px 20px;
    display: inline-block;
    background: #e13c48;
}

.er ul{
    display: none;
}

